CN111346022A - Light-sensitive sun-proof pressed powder - Google Patents
Light-sensitive sun-proof pressed powder Download PDFInfo
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- CN111346022A CN111346022A CN202010193792.4A CN202010193792A CN111346022A CN 111346022 A CN111346022 A CN 111346022A CN 202010193792 A CN202010193792 A CN 202010193792A CN 111346022 A CN111346022 A CN 111346022A
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- light
- sensitive
- pressed powder
- titanium dioxide
- sun
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- 239000000843 powder Substances 0.000 title claims abstract description 69
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 70
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 35
- 239000011787 zinc oxide Substances 0.000 claims abstract description 19
- 230000000475 sunscreen effect Effects 0.000 claims abstract description 17
- 239000000516 sunscreening agent Substances 0.000 claims abstract description 15
- -1 polydimethylsiloxane Polymers 0.000 claims abstract description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 9
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 9
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 230000037072 sun protection Effects 0.000 claims description 12
- 230000035807 sensation Effects 0.000 claims description 11
- 238000012216 screening Methods 0.000 claims description 7
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 claims description 6
- 229960005323 phenoxyethanol Drugs 0.000 claims description 6
- 239000003755 preservative agent Substances 0.000 claims description 5
- 230000002335 preservative effect Effects 0.000 claims description 5
- NCZPCONIKBICGS-UHFFFAOYSA-N 3-(2-ethylhexoxy)propane-1,2-diol Chemical compound CCCCC(CC)COCC(O)CO NCZPCONIKBICGS-UHFFFAOYSA-N 0.000 claims description 4
- YBGZDTIWKVFICR-JLHYYAGUSA-N Octyl 4-methoxycinnamic acid Chemical compound CCCCC(CC)COC(=O)\C=C\C1=CC=C(OC)C=C1 YBGZDTIWKVFICR-JLHYYAGUSA-N 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- UBNYRXMKIIGMKK-RMKNXTFCSA-N amiloxate Chemical compound COC1=CC=C(\C=C\C(=O)OCCC(C)C)C=C1 UBNYRXMKIIGMKK-RMKNXTFCSA-N 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- 229940100524 ethylhexylglycerin Drugs 0.000 claims description 4
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical group [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 4
- 229960001679 octinoxate Drugs 0.000 claims description 4
- ZAKOWWREFLAJOT-CEFNRUSXSA-N D-alpha-tocopherylacetate Chemical compound CC(=O)OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C ZAKOWWREFLAJOT-CEFNRUSXSA-N 0.000 claims description 3
- OGEMCJNRDGZFQF-UHFFFAOYSA-N hexyl 2-benzoyl-4-(diethylamino)-3-hydroxybenzoate Chemical compound CCCCCCOC(=O)C1=CC=C(N(CC)CC)C(O)=C1C(=O)C1=CC=CC=C1 OGEMCJNRDGZFQF-UHFFFAOYSA-N 0.000 claims description 3
- DGSZGZSCHSQXFV-UHFFFAOYSA-N 2,3-bis(2-ethylhexanoyloxy)propyl 2-ethylhexanoate Chemical compound CCCCC(CC)C(=O)OCC(OC(=O)C(CC)CCCC)COC(=O)C(CC)CCCC DGSZGZSCHSQXFV-UHFFFAOYSA-N 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- 235000019359 magnesium stearate Nutrition 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 229940042585 tocopherol acetate Drugs 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 239000000126 substance Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 206010015150 Erythema Diseases 0.000 description 2
- 206010027145 Melanocytic naevus Diseases 0.000 description 2
- 208000009077 Pigmented Nevus Diseases 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 231100000321 erythema Toxicity 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- ANZUDYZHSVGBRF-UHFFFAOYSA-N 3-ethylnonane-1,2,3-triol Chemical compound CCCCCCC(O)(CC)C(O)CO ANZUDYZHSVGBRF-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- FHKPLLOSJHHKNU-INIZCTEOSA-N [(3S)-3-[8-(1-ethyl-5-methylpyrazol-4-yl)-9-methylpurin-6-yl]oxypyrrolidin-1-yl]-(oxan-4-yl)methanone Chemical compound C(C)N1N=CC(=C1C)C=1N(C2=NC=NC(=C2N=1)O[C@@H]1CN(CC1)C(=O)C1CCOCC1)C FHKPLLOSJHHKNU-INIZCTEOSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- ZAKOWWREFLAJOT-UHFFFAOYSA-N d-alpha-Tocopheryl acetate Natural products CC(=O)OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C ZAKOWWREFLAJOT-UHFFFAOYSA-N 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- FOYKKGHVWRFIBD-UHFFFAOYSA-N gamma-tocopherol acetate Natural products CC(=O)OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1 FOYKKGHVWRFIBD-UHFFFAOYSA-N 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 230000036555 skin type Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/29—Titanium; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/25—Silicon; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/26—Aluminium; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/27—Zinc; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/37—Esters of carboxylic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/37—Esters of carboxylic acids
- A61K8/375—Esters of carboxylic acids the alcohol moiety containing more than one hydroxy group
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/41—Amines
- A61K8/411—Aromatic amines, i.e. where the amino group is directly linked to the aromatic nucleus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/67—Vitamins
- A61K8/678—Tocopherol, i.e. vitamin E
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/89—Polysiloxanes
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
- A61Q1/12—Face or body powders for grooming, adorning or absorbing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/41—Particular ingredients further characterized by their size
- A61K2800/413—Nanosized, i.e. having sizes below 100 nm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/42—Colour properties
- A61K2800/43—Pigments; Dyes
- A61K2800/438—Thermochromatic; Photochromic; Phototropic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/592—Mixtures of compounds complementing their respective functions
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Inorganic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Emergency Medicine (AREA)
- Dermatology (AREA)
- Cosmetics (AREA)
Abstract
The invention discloses a light-sensitive sun-proof pressed powder which comprises the following components in percentage by weight: 4-16% of light sensitive titanium dioxide and 1-4% of nano zinc oxide; the light-sensitive titanium dioxide is a mixture of nano-scale titanium dioxide, ferric oxide and hydrogenated polydimethylsiloxane. The light-sensitive sunscreen pressed powder is compounded by titanium dioxide and zinc oxide, has an excellent sunscreen effect, can automatically adjust the color of powder according to ambient lighting conditions, and avoids that the makeup color is white and bright, and the makeup color made up can be changed along with the change of light intensity.
Description
Technical Field
The invention relates to the technical field of cosmetics, and particularly relates to a light-sensitive sunscreen pressed powder.
Background
The powder cake can be used for face concealer, color endowment, and decoration. The pressed powder sold in the market at present has a good sunscreen effect, and a satisfactory makeup color is formed by using the pressed powder in a makeup room, and the makeup color feels very white and shiny under the strong light irradiation outdoors.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a light-sensitive sunscreen pressed powder.
In order to achieve the purpose, the invention adopts the technical scheme that: the light-sensitive sun-proof pressed powder comprises the following components in percentage by weight: 4-16% of light sensitive titanium dioxide and 1-4% of nano zinc oxide; the light-sensitive titanium dioxide comprises nano-scale titanium dioxide, ferric oxide and hydrogenated polydimethylsiloxane.
The light-sensitive sunscreen pressed powder is compounded by adopting the light-sensitive titanium dioxide and the zinc oxide according to the proportion, has an excellent sunscreen effect, can automatically adjust the color of powder according to ambient light conditions, and avoids that the makeup color is white and bright, and the makeup color made up can be changed along with the change of the light intensity.
The light-sensitive titanium dioxide is prepared from nano-scale titanium dioxide, ferric oxide and hydrogenated polydimethylsiloxane, and the brightness of the raw material can be changed along with the change of the illumination intensity. When added to the pressed powder, the light-sensitive titanium dioxide may be surface treated with polydimethylsiloxane. The light-sensitive titanium dioxide is nano-scale titanium dioxide, the preferable particle size D50 is smaller than 100nm, the nano-zinc oxide is nano-scale zinc oxide, and the preferable particle size D50 is smaller than 50 nm.
Preferably, the light sensation sun-protection pressed powder comprises the following components in percentage by weight: 6-10% of light-sensitive titanium dioxide and 1-3% of zinc oxide. When the light-sensitive titanium dioxide and the nano zinc oxide are mixed according to the proportion, the sun-screening effect is better, and the makeup feeling is more natural under light. More preferably, the light-sensitive sunscreen pressed powder comprises the following components in percentage by weight: 8% of light-sensitive titanium dioxide and 2% of nano zinc oxide.
Preferably, the light-sensitive sun-proof pressed powder further comprises the following components in percentage by weight: 0.5-2% of ethylhexyl methoxycinnamate, 0.5-2% of isoamyl p-methoxycinnamate and 0.5-2% of hexyl diethylamino hydroxybenzoyl benzoate. The three chemical sun-screening agents are also added into the pressed powder, and the three chemical sun-screening agents are compounded with the light-sensitive titanium dioxide and the nano zinc oxide, so that the pressed powder has a sun-screening effect.
More preferably, the light-sensation sun-screening pressed powder further comprises the following components in percentage by weight: ethylhexyl methoxycinnamate 1%, isoamyl p-methoxycinnamate 1% and hexyl diethylamino hydroxybenzoyl benzoate 1%. When the three chemical sun-screening agents are mixed according to the proportion, the sun-screening effect is better.
Preferably, the light-sensitive titanium dioxide comprises the following components in percentage by weight: 92.15-96.03% of nano-scale titanium dioxide, 0.97-4.85% of ferric oxide and 3% of hydrogenated polydimethylsiloxane.
Preferably, the light-sensitive sun-proof pressed powder further comprises the following components in percentage by weight: 30-50% of talcum powder, 10-45% of mica and 2-20% of silica. The powder cake is added with the skin feel conditioning agent in the proportion, so that the powder cake has good skin feel and skin sticking performance.
Preferably, the light-sensitive sunscreen compact further comprises 4-16% of glycerol tri (ethyl hexanoate). The addition of the glycerol tri (ethyl hexanoate) ester to the pressed powder can increase the skin-moistening performance of the pressed powder.
Preferably, the light sensation sun-protection pressed powder further comprises 0.02-0.5% of tocopherol acetate. The tocopheryl acetate has antioxidant effect, and can prevent rancidity and oxidation of oil in the pressed powder.
Preferably, the light-sensitive sunscreen compact further comprises a colorant, a binder, and a preservative.
Preferably, the binder is magnesium stearate.
Preferably, the preservative is a mixture of phenoxyethanol and ethylhexyl glycerin. Preferably, the weight ratio of phenoxyethanol to ethylhexyl glycerol is: 9: 1. the phenoxyethanol is stable below 80 ℃ and has the effect of inhibiting bacteria, and the ethylhexyl glycerin has antibacterial property and strong stability, so the compounding with the phenoxyethanol can enhance the effect and reduce the dosage.
The invention has the beneficial effects that: the light-sensitive sunscreen pressed powder is compounded by titanium dioxide and zinc oxide, has an excellent sunscreen effect, can automatically adjust the color of powder according to ambient lighting conditions, and avoids that makeup color is white and bright, and the makeup color made up can be changed along with the change of light intensity.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific examples.
In the examples and comparative examples, the raw materials were purchased from the market, wherein the light-sensitive titanium dioxide was obtained from not two fine chemical industries, Inc., having FFA-LSPP-3SS and FFA-LSPY-3SS, the FFA-LSPP-3SS contained 92.15-96.03% of titanium dioxide, 0.97-4.85% of iron oxide red, and 3% of hydrogenated polydimethylsiloxane, and the FFA-LSPY-3SS contained 92.15-96.03% of titanium dioxide, 0.97-4.85% of iron oxide yellow, and 3% of hydrogenated polydimethylsiloxane.
Zinc oxide was purchased from advanced chemical company under the product model SUNZNO-NAS, preservative was a mixture of phenoxyethanol and ethylhexylglycerin, purchased from Shumei company under the product model Euxyl PE 9010.
The formulation of the pressed powder described in examples 1 to 8 and comparative examples 1 to 2 is shown in Table 1, and the preparation method of the pressed powder comprises the following steps:
1. adding the raw materials with the serial numbers of 1-10 into a powder grinding machine and stirring for 5 minutes;
2. opening the cover and brushing the powder on the cover and the wall into the machine, and stirring for 5 minutes;
3. mixing 11-16, spraying the uniformly mixed liquid into a machine, and stirring for 3 minutes;
4. opening the cover and brushing the powder on the cover and the wall into the machine, and stirring for 1 minute;
5. passing the stirred powder through a jet mill for 2 times;
6. and (3) sieving the air-blown powder by using a 120-mesh sieve, standing for a period of time, controlling the pressure, time and frequency of a machine, and pressing into a pressed powder to obtain the pressed powder.
TABLE 1
Example 9
The cakes described in examples 1-8 and comparative examples 1-2 were tested for PFA value as follows
1. 100 healthy people of 10-60 years old are selected, and the healthy people can be male and female.
2. The test part is selected from the back, and the skin of the test part has uniform color and no pigmented nevus, color spots and the like.
3. The dosage is about 2mg/cm2And the powder is accurately and uniformly applied to the skin to be tested. And marked near the tested part, the tested skin is about 30cm2。
4. And (3) continuously filtering ultraviolet rays with the wavelength shorter than 320nm and visible light and infrared rays with the wavelength longer than 400nm by using a proper optical filter for 2-4 hours in a UVA region emitting near sunlight.
5. And (2) regularly detecting and maintaining according to the conditions, recording a regular detection result, selecting a fixed time point within 2-4 hours after observation and exposure when MPPD (MPPD refers to minimum continuous blackening quantity, namely the minimum ultraviolet irradiation quantity or the minimum time required by slight blackening at the whole irradiation part 2-4 hours after irradiation) is tested, and calculating the average PFA value by using a formula PFA/MPPD Du (in the formula, MPPD is the MPPD protected by the tested product, and MPPD Du is the MPPD unprotected by the tested product).
6. According to the relation between the PFA value and the sun protection time, the PFA value is less than 2, the protection time is about 2-4 hours when the PFA value is 2-3, the protection time is about 4-8 hours when the PFA value is 4-7, and the protection time is more than 8 hours when the PFA value is more than 8. When the PFA value is greater than 8, the time to protect against UVA is calculated as PFA value 60, and the time to protect against UVA can be estimated from the above information.
7. The experimental calculation results are shown in table 2 below.
TABLE 2
Item | PFA mean value | Resistance to UVA time (minutes) |
Example 1 | 13 | 780 |
Example 2 | 10 | 600 |
Example 3 | 8 | 480 |
Example 4 | 11 | 660 |
Example 5 | 9 | 540 |
Example 6 | 8 | 480 |
Example 7 | 11 | 660 |
Example 8 | 8 | 480 |
Comparative example 1 | 4 | 240 |
Comparative example 2 | 8 | 480 |
Example 10
The SPF values of the pressed powders of examples 1-8 and comparative examples 1-2 were tested, and the test method was:
1. 100 healthy people of 10-60 years old are selected, and the healthy people can be male and female.
2. The test part is selected from the back, and the skin of the test part has uniform color and no pigmented nevus, color spots and the like.
3. The dosage is about 2mg/cm2And the powder is accurately and uniformly applied to the skin to be tested. And marked near the tested part, the tested skin is about 30cm2。
4. The continuous spectrum of UVB region emitting near sunlight is 20 + -4 hr, and the ultraviolet ray with wavelength shorter than 280nm and the long-wave ultraviolet ray, visible light and infrared ray with wavelength longer than 320nm are filtered out with proper filter.
5. The test is carried out periodically according to the above conditions, and the results of the periodic tests are recorded, wherein MED (MED refers to the minimum erythema dose) is selected to be a fixed time point within 24 +/-4 hours after the observation exposure, and the average value of SPF is calculated by using the formula SPF (MEDp is the MED protected by the test product; MEDu is the MED unprotected by the test product). And calculating the UVB protection time according to the SPF value.
6. The minimum erythema dose occurred at 15 minutes, due to the different UVB protection times for the individual skin types. Then, the SPF value (min) was calculated from the values (SPF value 15).
7. The experimental calculations are shown in table 3 below.
TABLE 3
Item | SPF mean | Protection UVB time (minutes) |
Example 1 | 45 | 675 |
Example 2 | 36 | 540 |
Example 3 | 38 | 570 |
Example 4 | 34 | 510 |
Example 5 | 31 | 465 |
Example 6 | 32 | 480 |
Example 7 | 31 | 465 |
Example 8 | 32 | 480 |
Comparative example 1 | 44 | 660 |
Comparative example 2 | 26 | 390 |
Example 11
In order to verify the makeup effect of the invention, the makeup effect naturalness of the pressed powder is tested by making the makeup. 100 volunteers were selected, aged 20-30 years, and divided into 10 groups of 10 persons each. The face was cleaned by the test person for the volunteer, and the face was rested for 20 minutes in the same environment, and then the makeup tests were performed using examples 1 to 8, comparative example 1, and comparative example 2, respectively. Then the effect of the makeup is checked, and whether the conclusion is practical or not is obtained. As in table 4 below.
TABLE 4
Item | Make-up effect | Conclusion |
Example 1 | Easy powder taking and natural make-up | Practical |
Example 2 | Easy powder taking and natural make-up | Practical |
Example 3 | Easy powder taking and natural make-up | Practical |
Example 4 | Easy powder taking and natural make-up | Practical |
Example 5 | Easy powder taking and natural make-up | Practical |
Example 6 | Easy powder taking and natural make-up | Practical |
Example 7 | Easy powder taking and natural make-up | Practical |
Example 8 | Easy powder taking and natural make-up | Practical |
Comparative example 1 | Easy powder taking and natural make-up | Practical |
Comparative example 2 | Powder difficult to take and make-up card powder | Is not practical |
Example 12
The total protection time was calculated as the protection low value based on the test data of examples 9-11, the time for protection against UVA and UVB, and the following test results are given, as shown in Table 5.
TABLE 5
As can be seen from Table 5, the sunscreen effect of the light-sensitive titanium dioxide and zinc oxide compounded is better than that of the light-sensitive titanium dioxide and zinc oxide used alone, and the sunscreen effect of the light-sensitive titanium dioxide and zinc oxide compounded according to the ratio of example 1 is better. The addition of the light-sensitive titanium dioxide can enable the use effect of the pressed powder to be more natural, and the three chemical sun-screening agents are compounded with the light-sensitive titanium dioxide and the nano zinc oxide to enable the pressed powder to have a sun-screening effect.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The light-sensitive sunscreen pressed powder is characterized by comprising the following components in percentage by weight: 4-16% of light sensitive titanium dioxide and 1-4% of nano zinc oxide; the photosensitive titanium dioxide comprises nanoscale titanium dioxide, ferric oxide and hydrogenated polydimethylsiloxane.
2. The light sensation sun protection pressed powder of claim 1, wherein the light sensation sun protection pressed powder comprises the following components in percentage by weight: 6-10% of light-sensitive titanium dioxide and 1-3% of nano zinc oxide; preferably, the light sensation sun-protection pressed powder comprises the following components in percentage by weight: 8% of light-sensitive titanium dioxide and 2% of nano zinc oxide.
3. The light-sensitive sun-screening pressed powder according to claim 1 or 2, wherein the light-sensitive sun-screening pressed powder further comprises the following components in percentage by weight: 0.5-2% of ethylhexyl methoxycinnamate, 0.5-2% of isoamyl p-methoxycinnamate and 0.5-2% of diethyl aminooxybenzoyl benzoate; preferably, the light-sensitive sun-proof pressed powder further comprises the following components in percentage by weight: ethylhexyl methoxycinnamate 1%, isoamyl p-methoxycinnamate 1% and hexyl diethylamino hydroxybenzoyl benzoate 1%.
4. The light-sensitive pressed powder of claim 1, wherein the light-sensitive titanium dioxide comprises the following components in percentage by weight: 92.15-96.03% of nano-scale titanium dioxide, 0.97-4.85% of ferric oxide and 3% of hydrogenated polydimethylsiloxane.
5. The light-sensation sun-protection pressed powder according to claim 3, wherein the light-sensation sun-protection pressed powder further comprises the following components in percentage by weight: 30-50% of talcum powder, 10-45% of mica and 2-20% of silica.
6. The light sensation sun protection pressed powder according to claim 5, wherein the light sensation sun protection pressed powder further comprises 4-16% of glycerol tri (ethyl hexanoate).
7. The light sensation sun protection pressed powder according to claim 5, wherein the light sensation sun protection pressed powder further comprises 0.02-0.5% of tocopherol acetate.
8. The light sensation sun cake according to any one of claims 1 to 7, wherein the light sensation sun cake further comprises a colorant, a binder and a preservative.
9. The light-sensitive pressed sunscreen of claim 8, wherein the binder is magnesium stearate.
10. The light-sensitive pressed sunscreen of claim 8, wherein the preservative is a mixture of phenoxyethanol and ethylhexyl glycerin.
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CN115634161A (en) * | 2022-09-09 | 2023-01-24 | 金玲 | Cosmetic pressed powder with isolation effect and preparation method thereof |
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